51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#pragma once
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#include <cmath>
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#include <cstddef>
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#include <string>
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#include <vector>
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class Matrix {
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private:
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std::size_t m_Raws;
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std::size_t m_Columns;
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std::vector<long double> m_Data;
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public:
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Matrix(const std::string& fileNameInput);
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Matrix(std::size_t raws, std::size_t columns);
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Matrix(std::size_t raws, std::size_t columns, std::initializer_list<long double>&& initList);
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~Matrix();
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std::size_t GetRawCount() const;
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std::size_t GetColumnCount() const;
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void Insert();
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void Print() const;
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void Save(const std::string& fileName);
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void Load(const std::string& filename);
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void Transpose();
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static Matrix Identity(std::size_t size);
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void Augment(const Matrix& right);
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Matrix SubMatrix(std::size_t raw_origin, std::size_t column_origin, std::size_t raw, std::size_t column) const;
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bool operator==(const Matrix& other) const;
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Matrix operator*(const Matrix& other) const;
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long double& operator[](std::size_t index);
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long double& at(std::size_t raw, std::size_t column);
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long double at(std::size_t raw, std::size_t column) const;
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friend std::ostream& operator<<(std::ostream& stream, const Matrix& mat);
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friend std::istream& operator>>(std::istream& stream, Matrix& mat);
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};
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template <typename T>
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bool IsEqualZero(T var) {
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return std::abs(var) < std::pow(10, -5);
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} |